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Finding the Fourth Proportional to 501,067.20, 751,600.80 and 146,117.10

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Solution

The fourth proportional to 501,067.20, 751,600.80 and 146,117.10 is: 219,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,067.20 : 751,600.80 = 146,117.10 : x
  2. Step 2: Convert to fraction form
    501,067.20/751,600.80 = 146,117.10/x
  3. Step 3: Cross multiply
    501,067.20x = 751,600.80 × 146,117.10
  4. Step 4: Simplify right side
    501,067.20x = 109,821,729,253.68
  5. Step 5: Solve for x
    x = 109,821,729,253.68/501,067.20
  6. Step 6: Final answer
    x = 219,175.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.